Part antinuclear parable, part crazed sci-fi flick, Godzilla set a standard for outsized monster flicks. When the big guy awakens from a 1,000-year catnap, Tokyo is his target. Raymond Burr -- as American scientist Steve Martin -- was inserted in extra scenes to make the movie marketable to stateside audiences. Studio executives knew they had a moneymaking monster and soon created countless sequels.